Headphone case



FIG. 1 is a perspective view of a headphone case;

FIG. 2 is a front view of a headphone case;

FIG. 3 is a rear view of a headphone case;

FIG. 4 is a top view of a headphone case;

FIG. 5 is a bottom view of a headphone case;

FIG. 6 is a right side view of a headphone case; and,

FIG. 7 is a left side view of a headphone case.

Portions of the drawings shown in dashed line are for illustrative purposes only, and form no part of the claimed design. 

CLAIM The ornamental design for a headphone case, as shown and described. 